Shinta is a student at an elite university in Tokyo, leading an ordinary and peaceful life.

One day he meets Lilith, a beautiful girl from Romania who has just transferred to the school. This encounter changes Shinta’s life, as he soon finds out that he is the last living vampire slayer and Lilith is in fact a vampire, his eternal foe! In order for Lilith to live, she must conceive a child with the slayer, and then kill him.